Cdim7 Piano Chord

Cdim7

C Diminished 7th (with Flat 5th)

Root
C
Min 3rd
Eb
b 5th
Gb
Maj 6th
A
E
G
B
D
F
F
A
C
E
C
Eb
Gb
A

The Notes in a C Diminished 7th (with Flat 5th) Chord

The Min 3rd

Finding Eb from C step by step:

  • Start on: C
  • Step 1: move up to Db
  • Step 2: move up to D
  • Step 3: Land on Eb
Min 3rd
Eb
Root
C
1
2
  • Db is a minor second above C.
  • D is a major 2nd above C.
  • Eb is a minor third above C.

The b 5th

Finding Gb from C step by step:

  • Start on: C
  • Step 1: move up to Db
  • Step 2: move up to D
  • Step 3: move up to Eb
  • Step 4: move up to E
  • Step 5: move up to F
  • Step 6: Land on Gb
b 5th
Gb
Root
C
1
2
3
4
5
  • Db is a minor second above C.
  • D is a major 2nd above C.
  • Eb is a minor third above C.
  • E is a major third above C.
  • F is a fourth above C.
  • Gb is a flat fifth above C.

The Maj 6th

Finding A from C step by step:

  • Start on: C
  • Step 1: move down to B
  • Step 2: move down to Bb
  • Step 3: Land on A
Maj 6th
A
Root
C
1
2
  • B is a minor second below C.
  • Bb is a major 2nd below C.
  • A is a minor third below C. The maj 6th is down a minor third? Confusing, right? The note A is down 3 half-steps from C, but up 9 half-steps from C:
Maj 6th
A
Root
C
1
2
3
4
5
6
7
8